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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.web;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import javax.annotation.Priority;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.container.ContainerResponseFilter;
import org.apache.tinkerpop.gremlin.structure.T;
import org.glassfish.jersey.filter.LoggingFilter;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletProperties;
import org.onap.aai.rest.AuditSqlDbConsumer;
import org.onap.aai.rest.QueryConsumer;
import org.onap.aai.rest.util.EchoResponse;
import org.onap.logging.filter.base.AuditLogContainerFilter;
import org.reflections.Reflections;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
@Component
public class JerseyConfiguration extends ResourceConfig {
private static final Logger log = Logger.getLogger(JerseyConfiguration.class.getName());
private Environment env;
@Autowired
public JerseyConfiguration(Environment env) {
this.env = env;
register(QueryConsumer.class);
register(AuditSqlDbConsumer.class);
register(EchoResponse.class);
//Filters
registerFilters(ContainerRequestFilter.class);
registerFilters(ContainerResponseFilter.class);
registerFilters(AuditLogContainerFilter.class);
property(ServletProperties.FILTER_FORWARD_ON_404, true);
// Following registers the request headers and response headers
// If the LoggingFilter second argument is set to true, it will print response value as well
if ("true".equalsIgnoreCase(env.getProperty("aai.request.logging.enabled"))) {
register(new LoggingFilter(log, false));
}
}
public <T> void registerFilters(Class<T> type) {
// Find all the classes within the interceptors package
Reflections loggingReflections = new Reflections("org.onap.aai.aailog.filter");
Reflections reflections = new Reflections("org.onap.aai.interceptors");
// Filter them based on the clazz that was passed in
Set<Class<? extends T>> filters = loggingReflections.getSubTypesOf(type);
filters.addAll(reflections.getSubTypesOf(type));
// Check to ensure that each of the filter has the @Priority annotation and if not throw exception
for (Class filterClass : filters) {
if (filterClass.getAnnotation(Priority.class) == null) {
throw new RuntimeException("Container filter " + filterClass.getName() + " does not have @Priority annotation");
}
}
// Turn the set back into a list
List<Class<? extends T>> filtersList = filters
.stream()
.filter(f -> {
if (f.isAnnotationPresent(Profile.class)
&& !env.acceptsProfiles(f.getAnnotation(Profile.class).value())) {
return false;
}
return true;
})
.collect(Collectors.toList());
// Sort them by their priority levels value
filtersList.sort((c1, c2) -> Integer.valueOf(c1.getAnnotation(Priority.class).value()).compareTo(c2.getAnnotation(Priority.class).value()));
// Then register this to the jersey application
filtersList.forEach(this::register);
}
}
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